CI: Avoid inconsistencies between sort versions

Author: mgxd

.circleci/config.yml

@@ -359,7 +359,8 @@ jobs:
             CHECK_OUTPUTS_FILE="${DATASET}_anat_outputs.txt"
             cd /tmp/${DATASET}/derivatives/nibabies && tree -I 'figures|log' -lifa --noreport | sed s+^\./++ | sed '1d' | sort > /tmp/${DATASET}/test/outputs.out
             cat /tmp/${DATASET}/test/outputs.out
-            diff /tmp/src/nibabies/.circleci/${CHECK_OUTPUTS_FILE} /tmp/${DATASET}/test/outputs.out
+            sort -o /tmp/${DATASET}/test/expected.out /tmp/src/nibabies/.circleci/${CHECK_OUTPUTS_FILE}
+            diff /tmp/${DATASET}/test/expected.out /tmp/${DATASET}/test/outputs.out
             rm -rf /tmp/${DATASET}/test
             exit $?
       - run:
@@ -386,7 +387,8 @@ jobs:
             CHECK_OUTPUTS_FILE="${DATASET}_full_outputs.txt"
             cd /tmp/${DATASET}/derivatives/nibabies && tree -I 'figures|log' -lifa --noreport | sed s+^\./++ | sed '1d' | sort > /tmp/${DATASET}/test/outputs.out
             cat /tmp/${DATASET}/test/outputs.out
-            diff /tmp/src/nibabies/.circleci/${CHECK_OUTPUTS_FILE} /tmp/${DATASET}/test/outputs.out
+            sort -o /tmp/${DATASET}/test/expected.out /tmp/src/nibabies/.circleci/${CHECK_OUTPUTS_FILE}
+            diff /tmp/${DATASET}/test/expected.out /tmp/${DATASET}/test/outputs.out
             rm -rf /tmp/${DATASET}/test
             exit $?
       - run: